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Author Question: How is an HTM calculated? A) Add the R values of the different materials and then find the ... (Read 89 times)

elizabeth18

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How is an HTM calculated?
 
  A) Add the R values of the different materials and then find the reciprocal.
  B) U value times the temperature difference
  C) Average material R value times the temperature difference
  D) Add the R values.

Question 2

What is the most common deep vacuum level required by manufacturers?
 
  A) 500 microns B) 1,000 microns C) 100 microns D) 5,000 microns



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choc0chan

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Answer to Question 1

B

Answer to Question 2

A




choc0chan

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